REVISION- GRADE 9- TRIANGLES & HERON'SFORMULA
REVISION GRADE9- TRIANGLES & HERON'S FORMULA
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REVISION- GRADE 10- CIRCLES
CIRCLES For pdf: Click here 1. From an external point P , tangents PA and PB are drawn to a circle with centre O . If < PAB = 50º, then find < AOB . 2. In the given figure, the radii of two concentric circles are 13 cm and 8 cm. AB is diameter of the bigger circle. BD is the tangent to the smaller circle touching it at D. Find the length AD. ...
REVISION -GRADE 10-ARITHMETIC PROGRESSIONS & COORDINATE GEOMETRY.
ARITHMETIC PROGRESSIONS 1. Find how many natural numbers between 102 and 998 are divisible by both 2 and 5. 2. Which term of the A.P 121,117,113……… is its first negative term? 3. Find the sum of all 3 digit numbers which leave a remainder 2, when divided by 3. 4. In a flower bed, there are 23 rose plants in the first row, 21 in the second, 19 in the third, and so on. There are 5 rose plants in the last row. How many rows are there in the flower bed? COORDINATE GEOMETRY 5. Find the ratio in which the y -axis divides the line segment joining the points (5, – 6) and (–1, – 4). Also find the point of intersection. 6. If A( -2, -1 ), B (a, 0), C(4, b) and D( 1, 2 ) are the vertices of a parallelogram, find the values of a and b. 7. In which quadrant the point that divides the line segment joining the points ( 8, -9) and (2,3 ) in the ratio 1:2 internally lie?
REVISION-GRADE 10 - PAIR OF LINEAR EQUATIONS IN TWO VARIABLES & QUADRATIC EQUATIONS.
LINEAR EQUATIONS IN TWO VARIABLES 1. Solve the following system of equations by elimination method: 3x + 2y = 11 2x + 3y = 4 2. Solve the system of equations graphically : 2x + y = 5 3x – y = 5 3. Solve by substitution 2x + 3y = 3 3x – 2y = 11 QUADRATIC EQUATIONS ...
REVISION- GRADE 9- LINEAR EQUATIONS, COORDINATE GEOMETRY & INTRODUCTION TO EUCLID'S GEOMETRY
LINEAR EQUATIONS IN TWO VARIABLES 1. Find five solutions each of the following equations a) 5x - y = 15 b) x - 2y -10 =0 2. How many solutions does a linear equation in two variables have? 3. Give the equation of a line passing through: a) (1,2) b) (-3, 2) 4. A lending library has a fixed charge for the first 3 days and an additional charge for each day thereafter. Aarushi paid Rs 27 for a book kept for seven days . If fixed charges are Rs x and per day charges are Rs y, Write the linear equation representing the above statement 5. Draw the graph of the equation 2x + 3y = 12. Shade the region bounded by the graph and the coordinate axes. 6. If units and tens digits of the number are x and y respectively, then write the linear equation representing the above statement. COORDINATE GEOMETRY 7. Define: a) x coordinate b) ordinate c) ...
REVISION-GRADE10- STATISTICS & POLYNOMIALS
STATISTICS 1. The mean of the following data is 50. Find the missing frequencies p1 and p2. CIass frequency 0-20 17 20-40 P1 40-60 32 60-80 P2 80-100 19 Total 120 ...